<form role="search" method="get" class="search-form form-inline" action="<?php echo home_url('/'); ?>">
	<div class="input-group">
		<input type="search" class="form-control" placeholder="输入关键词搜索..." value="<?php the_search_query(); ?>" name="s">
		<div class="input-group-append">
			<button type="submit" class="btn">
			<svg width="18" height="18" viewBox="0 0 16 16" class="bi bi-search" fill="#666" xmlns="http://www.w3.org/2000/svg">
				<path fill-rule="evenodd" d="M10.442 10.442a1 1 0 0 1 1.415 0l3.85 3.85a1 1 0 0 1-1.414 1.415l-3.85-3.85a1 1 0 0 1 0-1.415z"/>
				<path fill-rule="evenodd" d="M6.5 12a5.5 5.5 0 1 0 0-11 5.5 5.5 0 0 0 0 11zM13 6.5a6.5 6.5 0 1 1-13 0 6.5 6.5 0 0 1 13 0z"/>
			</svg>
			</button>
		</div>
	</div>
</form>